Java Programming Tutorials

Java programming tutorials with many code examples!

Java Util Map compute(Key, BiFunction)

java.util.Map.compute(Key, BiFunction)

The method Map.compute(Key, BiFunction) returns the new value associated with the specified key. The value is computed using the given function.

Read More

Share with the World!

Java Time Clock tickSeconds(ZoneId)

java.time.Clock.tickSeconds(ZoneId)

The method Clock.tickSeconds(ZoneId zone) returns a clock that will tick in seconds using the best available clock (usually system clock).

Read More

Share with the World!

Java Time Clock tick(Clock,Duration)

java.time.Clock.tick(Clock baseClock, Duration duration)

The method Clock.tick(Clock, Duration) returns a clock that will return instants from given baseClock truncated to given duration.

Read More

Share with the World!

Java Time Clock systemUTC

java.time.Clock.systemUTC()

The method Clock.systemUTC() returns a clock that will use the best available system clock to convert instant into date and time using UTC time-zone.

Read More

Share with the World!

Java Time Clock systemDefaultZone

java.time.Clock.systemDefaultZone()

The method Clock.systemDefaultZone() returns a clock that will use the best available system clock to convert instant into date and time using default time-zone.

Read More

Share with the World!

Java Time Clock offset(Clock,Duration)

java.time.Clock.offset(Clock,Duration)

The method java.time.Clock.offset(Clock,Duration) returns a wrapper around given Clock with the specified Duration added. This clock implementation allows easily to jump into the past and future.

Read More

Share with the World!

Java Time ZoneId getAvailableZoneIds

java.time.ZoneId.getAvailableZoneIds()

The method ZoneId.getAvailableZoneIds() returns set of available zone IDs, including all available region-based IDs. Usually passed to of(String zoneId) to create ZoneId.

Read More

Share with the World!

Java Time Clock system(ZoneId)

java.time.Clock.system(ZoneId zone)

The method java.time.Clock.system(ZoneId zone) a clock that uses the best available system clock in the specified zone – never null.

Read More

Share with the World!

Java time Clock fixed

java.time.Clock.fixed()

The method java.time.Clock.fixed() returns a clock that always returns the same time. This type of clock is mainly useful in testing.

Read More

Share with the World!

Java Util Currency Tutorial

The java.util.Currency class represents a currency. These are the main properties of the class:

  • Currencies are identified by their ISO 4217 currency codes
  • There is never more than one Currency instance for any given currency
  • Get instance of the class using getInstance() methods
  • the class is final and cannot be inherited.

The class declaration is:

public final class Currency
       extends Object
       implements Serializable

Methods inheritance

Objects of this class inherit methods from the following classes:

  • java.lang.Object

Methods of java.util.Currency:

Share with the World!